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1022210020220 = 2251910964138501
BaseRepresentation
bin11101110000000000111…
…01110001001101111100
310121201111120111100112112
432320000131301031330
5113221441231121340
62101332524153152
7133565213544404
oct16700035611574
93551446440475
101022210020220
113645759a8904
121461400987b8
13755177a293c
1437692057804
151b8cb52d065
hexee0077137c

1022210020220 has 96 divisors (see below), whose sum is σ = 2283969441600. Its totient is φ = 383201280000.

The previous prime is 1022210020159. The next prime is 1022210020243. The reversal of 1022210020220 is 220200122201.

1022210020220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1022210020195 and 1022210020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26530970 + ... + 26569470.

It is an arithmetic number, because the mean of its divisors is an integer number (23791348350).

Almost surely, 21022210020220 is an apocalyptic number.

1022210020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022210020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141984720800).

1022210020220 is an abundant number, since it is smaller than the sum of its proper divisors (1261759421380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022210020220 is a wasteful number, since it uses less digits than its factorization.

1022210020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279 (or 39277 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1022210020220 its reverse (220200122201), we get a palindrome (1242410142421).

The spelling of 1022210020220 in words is "one trillion, twenty-two billion, two hundred ten million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 109 190 218 380 436 545 641 1090 1282 2071 2180 2564 3205 4142 6410 8284 10355 12179 12820 20710 24358 38501 41420 48716 60895 69869 77002 121790 139738 154004 192505 243580 279476 349345 385010 698690 731519 770020 1327511 1397380 1463038 2655022 2926076 3657595 4196609 5310044 6637555 7315190 8393218 13275110 14630380 16786436 20983045 24679141 26550220 41966090 49358282 79735571 83932180 98716564 123395705 159471142 246791410 318942284 398677855 468903679 493582820 797355710 937807358 1594711420 1875614716 2344518395 2690026369 4689036790 5380052738 9378073580 10760105476 13450131845 26900263690 51110501011 53800527380 102221002022 204442004044 255552505055 511105010110 1022210020220